We will keep fighting for all libraries - stand with us!
Search the history of over 835 billion
on the Internet.
Capture a web page as it appears now for use as a trusted citation in the future.
Please enter a valid web address
"Taken from a course of lectures on Ballistic Mathematics and Ballistics given at the Ordnance School of Application during the year 1919-20."
For print-disabled users
on September 4, 2008